classification:Mollusca → Gastropoda → Heterobranchia → Euthyneura → Tectipleura → Eupulmonata → Stylommatophora → Helicina → Pupilloidei → Pupilloidea → Valloniidae → Vallonia → Vallonia costata nr:1143 taxon: Vallonia costata author:(O. F. M�ller, 1774) data:Germany. Steinheim. 3 mm. chronology:Holocene no pictures yet. all locations for Vallonia costata (O. F. M�ller, 1774) in the LDK molluscan collection: